34.96% is the change from 492 to 664
Calculation steps:
[( 664 - 492 ) ÷ 492] x 100 = 34.96%
Formula
Percentage change = [(664 - 492) / 492] x 100
Subtract the new number by the original number
664 - 492 = 172
172 ÷ 492 = 0.34959349593495936
0.34959349593495936 x 100 = 34.96%